Transferring MOST data over Ethernet

dc.contributor.authorHolmström, Christoffer
dc.contributor.authorPersson, Martin
dc.contributor.departmentChalmers tekniska högskola / Institutionen för data- och informationsteknik (Chalmers)sv
dc.contributor.departmentChalmers University of Technology / Department of Computer Science and Engineering (Chalmers)en
dc.description.abstractThe purpose of this Master's thesis is to provide a feasibility study of encapsulating and transmitting data from an FPGA for transfer across Ethernet, with the encapsulation done with a microcontroller. The data rate required is 53 Mbit/s, specified by the MOST50 standard which will be the source of the data in the final product. In addition to the streaming capabilities, basic control functionality should also be implemented. This thesis was initiated by FYI Communication who already has a product, called MCBuster, whose functionality and performance should be enhanced. It was decided that neither TCP nor UDP would be able to fulfill the transport layer requirements for the project. Therefore, a custom protocol called FYI CETP was developed on top of UDP. For performance reasons, the entire network protocol stack was developed from the ground up. To transfer data from the FPGA to the microcontroller fast enough, a parallel interface was used, called External Peripheral Interface in the Luminary LM3S9B96 microcontroller used. The FPGA, a Lattice XP2-8, is interfaced in much the same way as an external memory would be, with separate data and address buses. For the receiving end of the data stream, a heavily threaded logging and control application called PCDump was developed using Java. The project has fulfilled this goal with a broad margin, achieving a sustained transfer rate of 73 Mbit/s.
dc.subjectComputer Engineering
dc.titleTransferring MOST data over Ethernet
dc.type.degreeExamensarbete för masterexamensv
dc.type.degreeMaster Thesisen
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